Some people are entirely devoted to their workout routine. They have a favorite gym or fitness studio and modality—be it strength training, yoga, kettlebell workouts, or sprint workouts. But others ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

If you're frustrated with stubborn belly fat and tired of workouts that don't deliver results, it's time to shift your ...

Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve both at the same time, you’re likely working toward body recomposition. Strength training and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In a small study, sprint interval exercise helped to “clean-up and rebuild” cells better than ...